Home / 1,257,440.87-1,886,295.60-537,857.01

Finding the Fourth Proportional to 1,257,440.87, 1,886,295.60 and 537,857.01

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Solution

The fourth proportional to 1,257,440.87, 1,886,295.60 and 537,857.01 is: 806,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,440.87 : 1,886,295.60 = 537,857.01 : x
  2. Step 2: Convert to fraction form
    1,257,440.87/1,886,295.60 = 537,857.01/x
  3. Step 3: Cross multiply
    1,257,440.87x = 1,886,295.60 × 537,857.01
  4. Step 4: Simplify right side
    1,257,440.87x = 1,014,557,311,392.16
  5. Step 5: Solve for x
    x = 1,014,557,311,392.16/1,257,440.87
  6. Step 6: Final answer
    x = 806,842.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.